<template>
    <a-layout>
        <a-layout-content
                :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
        >
            <p>
                <a-form layout="inline" :model="param">
                    <a-form-item>
                        <a-input v-model:value="param.name" placeholder="名称"></a-input>
                    </a-form-item>
                    <a-form-item>
                        <a-button type="primary" @click="handleQuery({page: 1, size: pagination.pageSize})">
                            查询
                        </a-button>
                    </a-form-item>
                    <a-form-item>
                        <a-button type="primary" @click="add">
                            新增
                        </a-button>
                    </a-form-item>
                </a-form>
            </p>
            <a-table :columns="columns"
                     :row-key="record=>record.id"
                     :data-source="ebooks"
                     :pagination="pagination"
                     :loading="loading"
                     @change="handleTableChange"
            >
                <template #cover="{ text:cover }">
                    <img style="width: 80px" v-if="cover" :src="cover" alt="avatar">
                </template>
                <template v-slot:category="{ text:record }">
                    <span>{{getCategoryName(record.category1Id)}} / {{getCategoryName(record.category2Id)}}</span>
                </template>
                <template v-slot:action="{text,record}">
                    <a-space size="small">
                        <router-link :to="'/admin/doc?ebookId='+record.id">
                            <a-button type="primary">文档管理</a-button>
                        </router-link>
                        <a-button type="primary" @click="edit(record)">编辑</a-button>
                        <a-popconfirm
                                title="该电子书将被永久删除无法回复，是否确认删除?"
                                ok-text="是"
                                cancel-text="否"
                                @confirm="handleDelete(record.id)"
                        >
                            <a-button type="danger">删除</a-button>
                        </a-popconfirm>
                    </a-space>
                </template>
            </a-table>
        </a-layout-content>
    </a-layout>
    <a-modal
            title="电子书表单"
            v-model:visible="modelVisible"
            :confirm-loading="modelLoading"
            @ok="handleModelOk"
    >
        <a-form :model="ebook" :label-col="{span:6}" :wrapper-col="{ span: 18 }">
            <a-form-item label="封面">
                <a-input v-model:value="ebook.cover"/>
            </a-form-item>
            <a-form-item label="名称">
                <a-input v-model:value="ebook.name"/>
            </a-form-item>
            <a-form-item label="分类">
                <a-cascader
                        v-model:value="categoryIds"
                        :field-names="{label:'name',value:'id',children:'children'}"
                        :options="level1"
                />
            </a-form-item>
            <a-form-item label="描述">
                <a-textarea
                        v-model:value="ebook.description"
                        auto-size
                />
            </a-form-item>
        </a-form>
    </a-modal>
</template>

<script lang="ts">
    import {defineComponent, onMounted, ref} from 'vue';
    import Axios from "axios";
    import {message} from "ant-design-vue";
    import {Tool} from "@/util/util";

    export default defineComponent({
        name: 'AdminEbook',
        setup() {

            /**
             *搜索框参数
             */
            const param = ref();
            param.value = {};
            const ebooks = ref();

            /**
             *分页
             */
            const pagination = ref({
                current: 1,
                pageSize: 10,
                total: 0
            });
            const loading = ref(false);

            /**
             *表格渲染
             */
            const columns = [
                {
                    title: '封面',
                    dataIndex: 'cover',
                    slots: {customRender: 'cover'}
                },
                {
                    title: '名称',
                    dataIndex: 'name',
                },
                {
                    title: '分类',
                    slots: {customRender: 'category'}
                },
                {
                    title: '文档数',
                    dataIndex: 'docCount',
                },
                {
                    title: '阅读数',
                    dataIndex: 'viewCount',
                },
                {
                    title: '点赞数',
                    dataIndex: 'voteCount',
                },
                {
                    title: '操作',
                    key: 'action',
                    slots: {customRender: 'action'},
                },
            ];

            /**
             * 数据查询
             */
            const handleQuery = (params: any) => {
                loading.value = true;
                ebook.value = [];
                Axios.get("/ebook/list", {
                    params: {
                        page: params.page,
                        size: params.size,
                        name: param.value.name
                    }
                }).then(response => {
                    loading.value = false;
                    const data = response.data;
                    if (data.success) {
                        ebooks.value = data.content.list;
                        //重置分页
                        pagination.value.current = params.page;
                        pagination.value.total = data.content.total;
                    } else {
                        message.error(data.message);
                    }
                });
            };

            /**
             * 表格点击页码触发
             */
            const handleTableChange = (pagination: any) => {
                console.log("看看自带的分页参数都有啥" + pagination);
                handleQuery({
                    page: pagination.current,
                    size: pagination.pageSize
                });
            };

            /**
             * 表单
             */
            const categoryIds = ref();
            const ebook = ref();
            const modelVisible = ref(false);
            const modelLoading = ref(false);
            const handleModelOk = () => {
                modelLoading.value = true;
                ebook.value.category1Id = categoryIds.value[0];
                ebook.value.category2Id = categoryIds.value[1];
                Axios.post("/ebook/save", ebook.value).then(response => {
                    modelLoading.value = false;
                    const data = response.data;
                    if (data.success) {
                        modelVisible.value = false;
                        handleQuery({
                            page: pagination.value.current,
                            size: pagination.value.pageSize
                        })
                    } else {
                        message.error(data.message)
                    }

                });
            };

            /**
             * 编辑
             */
            const edit = (record: any) => {
                modelVisible.value = true;
                ebook.value = Tool.copy(record);
                categoryIds.value = [ebook.value.category1Id, ebook.value.category2Id]
                console.log("categoryIds", categoryIds.value)
            }

            /**
             * 新增
             */
            const add = () => {
                modelVisible.value = true;
                ebook.value = {}
            }

            /**
             * 删除
             */
            const handleDelete = (id: number) => {
                Axios.delete("/ebook/delete/" + id).then(response => {
                    const data = response.data;
                    if (data.success) {
                        handleQuery({
                            page: pagination.value.current,
                            size: pagination.value.pageSize
                        })
                    }

                });
            };

            const level1 = ref();
            let categorys: any;
            /**
             * 数据查询
             */
            const handleQueryCategory = () => {
                loading.value = true;
                Axios.get("/category/all").then(response => {
                    loading.value = false;
                    const data = response.data;
                    if (data.success) {
                        categorys = data.content;
                        level1.value = [];
                        level1.value = Tool.array2Tree(categorys, 0);
                        handleQuery({
                            page: 1,
                            size: pagination.value.pageSize
                        })
                    } else {
                        message.error(data.message);
                    }
                });
            };

            const getCategoryName = (cid: number) => {
                let result = '';
                categorys.forEach((item: any) => {
                    if (item.id == cid) {
                        result = item.name;
                    }
                })
                return result;
            }

            onMounted(() => {
                handleQueryCategory();
            });

            return {
                param,
                ebooks,
                pagination,
                columns,
                loading,
                handleTableChange,
                getCategoryName,

                edit,
                add,
                handleDelete,
                handleQuery,

                ebook,
                modelVisible,
                modelLoading,
                handleModelOk,
                categoryIds,
                level1
            };
        },
    });
</script>
